| 29101 | Tejas Operating LLC | Houston, TX 77056 | Oil & Gas Operator | Dec 2025 |
| 29102 | Tejas Operators, Inc. | Midland, TX 79702 | Oil & Gas Operator | Aug 2003 |
| 29103 | Tejas Permian Operating, LLC | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 29104 | Tejas Petroleum Resources, LLC | Aubrey, TX 76227 | Oil & Gas Operator | Dec 2025 |
| 29105 | Tejas Production Company | | Oil Operator | Nov 1979 |
| 29106 | Tejas Trucking, Inc. | Andrews, TX 79714 | Oil & Gas Operator | Dec 2025 |
| 29107 | Tejas Western Corp. | Granbury, TX 76048 | Oil & Gas Operator | Jul 2018 |
| 29108 | Tejones Operating Corporation | San Antonio, TX 78217 | Oil & Gas Operator | Dec 2025 |
| 29109 | Teke Production LLC | Houston, TX 77269 | Oil Operator | Dec 2025 |
| 29110 | Tekenergy Inc | Oklahoma City, OK 73112 | Oil & Gas Operator | Mar 2015 |
| 29111 | Tekna Synergy Corporation | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 29112 | Teko Oil & Gas I | | Oil Operator | Aug 1992 |
| 29113 | Teleo Operating, LLC | Dallas, TX 75219 | Oil & Gas Operator | Apr 2009 |
| 29114 | Telesis Operating Co. | Fort Worth, TX 76116 | Oil & Gas Operator | Dec 2025 |
| 29115 | Telico Minerals, L.L.C. | | Oil & Gas Operator | Oct 2019 |
| 29116 | Tellurian Operating LLC | | Oil & Gas Operator | Jun 2024 |
| 29117 | Tellus Energy, LLC | | Oil & Gas Operator | Dec 2024 |
| 29118 | Tellus Operating Group, LLC | | Oil & Gas Operator | Sep 2025 |
| 29119 | Tema Oil And Gas Company | Houston, TX 77084 | Oil & Gas Operator | Dec 2025 |
| 29120 | Tema Oil And Gas, LLC | Houston, TX 77040 | Oil & Gas Operator | Apr 2000 |
| 29121 | Tema Oil Company | Amarillo, TX 79101 | Oil & Gas Operator | Jun 2009 |
| 29122 | Temagami Oil & Gas LTD | | Oil & Gas Operator | May 2007 |
| 29123 | Tember Oil Company | Holliday, TX 76366 | Oil & Gas Operator | Dec 2025 |
| 29124 | Temblor Petroleum Co. LLC | | Oil & Gas Operator | Oct 2025 |
| 29125 | Temescal Resources LLC | | Oil & Gas Operator | Nov 2025 |
| 29126 | Temex Energy Inc | Oklahoma City, OK 73101 | Oil & Gas Operator | Feb 2002 |
| 29127 | Tempel Contracting, Inc. | Joplin, MT 59531 | Gas Operator | Sep 2025 |
| 29128 | Tempest Energy Resources, LP | Houston, TX 77251 | Oil & Gas Operator | Jun 2013 |
| 29129 | Tempest Oil Company, Inc. | | Oil & Gas Operator | Jul 1978 |
| 29130 | Templar Operating LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Sep 2025 |
| 29131 | Temple Oil & Gas Co | Crooksville, OH 43731 | Oil & Gas Operator | Dec 2024 |
| 29132 | Temple Oil Co | | Oil & Gas Operator | Oct 1992 |
| 29133 | Templeton Energy Inc | | Oil & Gas Operator | Jul 1987 |
| 29134 | Templeton Oil, Inc. | Houston, TX 77002 | Oil & Gas Operator | Nov 1994 |
| 29135 | Tempo Energy, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 29136 | Tempo Resources GP, LLC | Mineral Wells, TX 76068 | Oil & Gas Operator | Apr 2013 |
| 29137 | Ten A Coal Company | Bridgeport, WV 26330 | Oil & Gas Operator | Dec 2020 |
| 29138 | Ten Grand Energy Company Inc | Nachogdoches, TX 75963-1880 | Oil Operator | Mar 2011 |
| 29139 | Tenaska Res LLC | Canonsburg, PA 15317 | Gas Operator | May 2020 |
| 29140 | Tend Oil Inc. | Tyler, TX 75703 | Oil & Gas Operator | Jul 1995 |
| 29141 | Tender Equity Corporation | Marietta, OH 45750 | Oil & Gas Operator | Dec 2007 |
| 29142 | Tenex Corporation | Houston, TX 77227 | Oil & Gas Operator | Dec 2007 |
| 29143 | Tenex Oil Corpor | | Oil Operator | May 1991 |
| 29144 | Tenexco Inc | Oakbrook Terrace, IL 60181 | Gas Operator | Dec 1998 |
| 29145 | Tengasco, Inc. | Houston, TX 77063 | Oil & Gas Operator | Jun 2025 |
| 29146 | Tenison Oil Comp | | Oil Operator | Jan 1993 |
| 29147 | Tenison Oil Company | Abilene, TX 79605 | Oil & Gas Operator | Oct 2025 |
| 29148 | Tenk, Lawrence O. | Ottawa, KS 66067 | Oil & Gas Operator | Oct 1998 |
| 29149 | Tenmile Land Limited Liability Company | Bridgeport, WV 26330 | Oil & Gas Operator | Dec 2021 |
| 29150 | Tenneco Inc. | | Oil & Gas Operator | Jun 1989 |
| 29151 | Tenneco Oil Comp | | Oil & Gas Operator | Aug 1995 |
| 29152 | Tenneco Oil Company | Oklahoma City, OK 73125 | Oil & Gas Operator | Oct 2025 |
| 29153 | Tenneco Ventures Corporation | | Oil & Gas Operator | Feb 1996 |
| 29154 | Tenneco West, Inc. | | Oil & Gas Operator | Dec 1983 |
| 29155 | Tennessee Gas Pipeline Company | | Oil & Gas Operator | Dec 2011 |
| 29156 | Tennessee Gas Pipeline Company, LLC | Houston, TX 77002 | Oil Operator | Dec 2024 |
| 29157 | Tennessee Properties, Inc | | Oil Operator | Dec 2014 |
| 29158 | Tennyson Oil & Gas | Muskogee, OK 74401 | Oil Operator | Sep 2025 |
| 29159 | Tenpas, Bruce | Clymer, NY 14724 | Gas Operator | Dec 2024 |
| 29160 | Tensas Delta Expl Co., LLC | Shreveport, LA 71101-5323 | Oil & Gas Operator | Jul 2021 |
| 29161 | Tensas Delta Explo. Co., LLC | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2011 |
| 29162 | Tensas Delta Land Company | | Oil & Gas Operator | Apr 2002 |
| 29163 | Tensas Exploraton & Production Co LLC | | Oil & Gas Operator | Nov 2009 |
| 29164 | Teocali Energy LLC | Denver, CO 80202 | Oil & Gas Operator | Sep 2025 |
| 29165 | Teocalli Exploration LLC | Kingfisher, OK 73750 | Oil & Gas Operator | Oct 2025 |
| 29166 | Teon Management, LLC | Midland, TX 79704 | Oil & Gas Operator | Mar 2020 |
| 29167 | Tep Barnett USA, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2025 |
| 29168 | Tepco Resources, Inc. | Houston, TX 77027 | Oil & Gas Operator | Sep 2004 |
| 29169 | Tepco, Inc. | Houston, TX 77002 | Oil & Gas Operator | Oct 1999 |
| 29170 | Tepee Petroleum Company, Inc. | Houston, TX 77098 | Oil & Gas Operator | Feb 2014 |
| 29171 | Ter Ex Inc | Butler, PA 16002-8638 | Gas Operator | Dec 1994 |
| 29172 | Terex Energy Corporation | Casper, WY 82602 | Oil & Gas Operator | Aug 2019 |
| 29173 | Terhune Harry C | Bartlesville, OK 74003 | Oil Operator | Feb 1997 |
| 29174 | Terhune Opal S | Bartlesville, OK 74006-0472 | Oil Operator | Apr 2025 |
| 29175 | Term Energy Corp. | Harrisville, WV 26362-0000 | Oil & Gas Operator | Dec 2021 |
| 29176 | Termo Company Of Texas | | Oil & Gas Operator | Dec 1986 |
| 29177 | Terra Energy Co LLC | | Oil & Gas Operator | Apr 2018 |
| 29178 | Terra Energy LTD | | Oil & Gas Operator | Apr 2018 |
| 29179 | Terra Energy LTD And Miller Energy Inc And Mille | | Gas Operator | Dec 1998 |
| 29180 | Terra Exploration & Production Co. Inc. | | Oil & Gas Operator | Dec 2009 |
| 29181 | Terra Locus Services | Seguin, TX 78155 | Oil & Gas Operator | Jun 2000 |
| 29182 | Terra Max Energy | | Oil Operator | Mar 1986 |
| 29183 | Terra Production Company | Okemah, OK 74859-5924 | Oil & Gas Operator | Apr 2020 |
| 29184 | Terra Resc Incor | | Oil Operator | Mar 1986 |
| 29185 | Terra Resources, Inc. | Casper, WY 82601 | Oil & Gas Operator | Jun 1990 |
| 29186 | Terrace Petroleum Corporation | Midland, TX 79701 | Oil & Gas Operator | Jul 2013 |
| 29187 | Terrafina Energy, LLC | San Antonio, TX 78280 | Oil & Gas Operator | Dec 2025 |
| 29188 | Terral D Hinds | | Oil Operator | Mar 2012 |
| 29189 | Terrapet Corporation | | Oil & Gas Operator | Jun 2011 |
| 29190 | Terrapin Energy LLC | Okmulgee, OK 74447 | Oil Operator | Oct 2025 |
| 29191 | Terraquest Corporation | Edmond, OK 73034 | Oil & Gas Operator | Jul 1997 |
| 29192 | Terrascan Drilling Corp | Dublin, OH 43017 | Oil Operator | Dec 2005 |
| 29193 | Terrel Production Co | | Oil & Gas Operator | Sep 2025 |
| 29194 | Terreland Corporation | Sunray, TX 79086 | Oil & Gas Operator | Oct 2004 |
| 29195 | Terrell Oil & Gas Production Co. | Hamlin, TX 79520 | Oil & Gas Operator | Dec 2025 |
| 29196 | Terrgin Oil & Gas LLC | Frazeysburg, OH 43822 | Oil & Gas Operator | Dec 2021 |
| 29197 | Terrick Resources | Midland, TX 79708 | Oil & Gas Operator | Jul 2005 |
| 29198 | Terrier Oil Company | | Oil & Gas Operator | Feb 2015 |
| 29199 | Territory Resources LLC | Stillwater, OK 74074-1869 | Oil & Gas Operator | Nov 2025 |
| 29200 | Terrol Energy In | | Oil Operator | Feb 1993 |